Compacting Virtual Box Drives
Too many times I’ve forgotten the exact commands on how to compact the virtual drives. Especially for windows, where the tool used, used to have a different name of the argument passed to it. Compacting the drive can save you lots of disc space (last time my drive went from 12GB to 5GB), and for a smaller lap top drive, that makes a big difference.
Windows Guest: Download SDelete from SysInternals and then run
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Linux Guest: Here, we create a file that fills the entire empty space, and then deleting it:
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Host: Finally, you let VirtualBox compact the drive
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That’s it really! I hope I’ll remember it a little better this time.
Further info: